[ticket/9556] Drop php closing tags, add trailing newline

Closing tags converted using Oleg's script.
remove-php-end-tags.py -a .

Trailing newlines added using the following where $ext is file extension.
find . -type f -name "*.$ext" -print | xargs printf "e %s\nw\n" | ed -s;

Extensions: php, css, html, js, xml.

PHPBB3-9556

phpBB/language/en/viewtopic.php

@@ -113,5 +113,3 @@ $lang = array_merge($lang, array(
 	'VOTE_CONVERTED'		=> 'Changing votes is not supported for converted polls.',
 
 ));
-
-?>